step-1 Go to following path and open Edit.php app\code\local\Namespace\Modulename\Block\Adminhtml\Modulename\Edit.php and Add this Function protected function _prepareLayout() { // Load Wysiwyg on demand and Prepare layout…

you already modified /etc/default/varnish, but still not working? then you have to edit following file nano /lib/systemd/system/varnish.service change : ExecStart=/usr/sbin/varnishd -j unix,user=vcache -F -a :80…

here step how to working with controller, i will create 2 controllers file, my objective is, to run following url http://127.0.0.1/magento21/index.php/hellomagentoworld/index/index and http://127.0.0.1/magento21/index.php/hellomagentoworld/index/test create file app\code\Ansyori\HelloWorld\etc\frontend\routes.xml…